Aprilaire

Whole-House Humidifiers

Automatically deliver the perfect amount of moisture to your home.

Whole-House Dehumidifiers

Automatically extract the right amount of humidity from your home.

Air Purifiers

Whole-home air purifiers remove pollutants throughout your home.

Zoned Comfort Control Systems

Control temperature throughout your entire home with Aprilaire.

Thermostats

Control your heating, cooling and overall comfort with Aprilaire.

Ventilators

Control fresh air in your home with an Aprilaire whole-home ventilation system.

Dedicated Service

In our effort to prove our commitment to customer satisfaction, the HVAC contractors of Weis Comfort Systems undergo continual training, education, and safety courses to ensure we provide our clients with the industry's most current and efficient practices, products, and security.

Flexible Payment

We accept a wide range of payment options, including Visa, Mastercard, cash, checks, & financing. If you are in need of additional funding for furnace, air conditioning, or ventilation repair or installation services, please visit our pricing and financing page.

Commitment to Safety

We have paired state-of-the-art products, safety, and practices with thorough hiring methods to ensure that our team of HVAC contractors have the experience, background, and skill set to accurately repair, install and maintain comfort systems throughout the St Louis area.

Simple Satisfaction

Weis Comfort Systems is licensed and insured, and our team of expert technicians performs HVAC repair, maintenance, and installation with high detail to ensure that our AC, furnace, and ventilation services are up to code and built to last.

Weis Comfort Systems

5 63 reviews

1591 Fenpark Dr.
Fenton, MO 63026

636-431-5032

Mon - Fri 8:00am - 4:30pm

Contact Us
Weis DeRousse

5 63 reviews

124 N. Main
Red Bud, IL 62278

618-228-3307

Mon - Fri 8:00am - 4:30pm

Contact Us
Weis Keil-Forness

5 63 reviews

301 N Illinois St
Belleville, IL 62220

618-228-3523

Mon - Fri 8:00am - 4:30pm

Contact Us
Gaines HVAC

5 63 reviews

5120 Northrup Ave
St. Louis, MO 63110

314-501-5444

Mon - Fri 8:00am - 4:30pm

Contact Us

Pricing + Financing:

Click to call us

Aprilaire

Whole-House Humidifiers

Whole-House Dehumidifiers

Air Purifiers

Zoned Comfort Control Systems

Thermostats

Ventilators

Get In Touch!

Weis Comfort Systems

Weis DeRousse

Weis Keil-Forness

Gaines HVAC

Service Areas

About Us

Service

Other

What You Need to Know About Air Purifiers

Five Maintenance Tips to Prep Your A/C for the Summer

Pricing + Financing: